+--Richard Cummings 
   +--David Cummings  (2 NOV 1775-24 MAR 1842)
   |  +--Elizabeth Robbins 
+--Joseph Gilman Cummings  (9 MAR 1815-7 DEC 1879)
|  |                 +--John Killough 
|  |              +--John Killough  (1630-)
|  |           +--John Killough  (1657-CA. 1715)
|  |           |  +--Mary Hyde 
|  |        +--Robert Killough  (1681-1737)
|  |        |  +--Anne (McNeil) MacNeill  (CA. 1659-)
|  |     +--Finley (Killough) Kelloch  (1711-)
|  |     |  +--Margaret Finley 
|  |  +--Alexander Kelloch  (1740-14 FEB 1826)
|  |  |  |  +--John Young 
|  |  |  +--Mary Young  (12 JUN 1700-21 SEP 1795)
|  |  |     +--Catherine?  
|  +--Rosanna Kalloch  (1777-1871)
|     +--Eleanora Gault 
Avis Maria Cummings  (19 NOV 1844-10 JAN 1937)
|                    +--John Killough 
|                 +--John Killough  (1630-)
|              +--John Killough  (1657-CA. 1715)
|              |  +--Mary Hyde 
|           +--Robert Killough  (1681-1737)
|           |  +--Anne (McNeil) MacNeill  (CA. 1659-)
|        +--Finley (Killough) Kelloch  (1711-)
|        |  +--Margaret Finley 
|     +--Alexander Kelloch  (1740-14 FEB 1826)
|     |  |  +--John Young 
|     |  +--Mary Young  (12 JUN 1700-21 SEP 1795)
|     |     +--Catherine?  
|  +--Samuel Kelloch  (CA. 1778-13 MAY 1868)
|  |  +--Eleanora Gault 
+--Margaret E. J. Kalloch  (10 JUL 1818-18 JAN 1897)
   |  +--Nathaniel Lewis 
   +--Lucy Lewis  (-24 OCT 1836)
      +--Experience ______